rambi: Move the CPU passive/critical threshold config to DPTF

The rest of the thermal configuration is in DPTF ACPI code so
move the CPU settings there as well.

Also remove the unused thermal.asl file.

BUG=chrome-os-partner:17279
BRANCH=baytrail
TEST=build and boot on rambi, start DPTF application

Change-Id: I9048e5d4504328603f34e5d0e14c110fdda01f67
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/184443
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
5 files changed